Phylum Ascomycota Caval.-Sm. (1998) - sac fungi Subphylum Pezizomycotina O.E. Erikss. & Winka (1997) Class Orbiliomycetes O.E. Erikss. & Baral (2003) [monotypic] Order Orbiliales Baral, O.E. Erikss., G. Marson & E. Weber (2003) [monotypic] Family Orbiliaceae Nannf. (1932) Genus Retiarius D.L. Olivier (1978)